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A188187 [nr]-[kr]-[nr-kr], where r=sqrt(5), k=1, [ ]=floor. 5
0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

COMMENTS

See A188014.

LINKS

Table of n, a(n) for n=1..149.

FORMULA

a(n)=[nr]-[r]-[nr-r], where r=sqrt(5).

MATHEMATICA

r=5^(1/2)); k=1;

t=Table[Floor[n*r]-Floor[(n-k)*r]-Floor[k*r], {n, 1, 220}]   (*A188187*)

Flatten[Position[t, 0]]  (*A188188*)

Flatten[Position[t, 1]]  (*A004958*)

CROSSREFS

Cf. A188014, A188188, A004958.

Sequence in context: A144601 A188009 A144596 * A118685 A244063 A080343

Adjacent sequences:  A188184 A188185 A188186 * A188188 A188189 A188190

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 23 2011

STATUS

approved

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Last modified September 20 04:18 EDT 2020. Contains 337264 sequences. (Running on oeis4.)